In the 1920s and 1930s, the Japanese invaded surrounding territories mainly because they "needed natural resources" to fuel their domestic growth, since Japan is a very small island and lacks many of these necessary resources.
The following sources claiming or supporting Yu Hsien above is letter D. Yu Hsien hated non-Chinese religions like Christianity. Taiyuan massacre during Boxer Rebellion, which killed 45 Christians with children. It was at this time tha Yu Hsien was the governor of Shanxi.
The answer would be C., Suversive activity.
Subversive activity refers to all willful acts that have the intention of being detrimental to governmental interests that don't really fall into the specific categories of; treason, sedition, sabotage... etc
1858
Hope the answer helps >.<
